Although hydrogen fuel is a promising alternative to fossil fuels, the catalyst it relies on for power generation is mainly composed of rare and expensive metal platinum, which limits the wide commercialization of hydrogen fuel.…
According to the different molecular structure, it can be divided into four generations of polycarboxylate series superplasticizer, the first generation is acrylic acid copolymer, the second generation is propylene ether type, the third generation is…
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…
About Spherical Graphite Powder:Spherical graphite (SPG), also known as battery-grade graphite, is a product consumed as an anode in lithium-ion batteries. The flake graphite concentrate is processed into ultra-high purity (>99.95%C) with a particle…
In terms of action mechanism, the molecular structure of polycarboxylate superplasticizer is comb type, and the polar anion…
First of all, pay attention to the storage environment of polycarboxylate superplasticizer, try to store polycarboxylate superplasticizer in a cool, ventilated, no direct sunlight place.…
The biggest immediate challenge for the EU will be replenishing its depleted gas inventories. While the EU could still increase LNG imports from countries such as the US, such purchases would be more expensive.Refilling natural gas storage space to h…
Prices in the national electricity market averaged $87 per megawatt-hour in the first three months of the year, above the level promised by the federal government. Wholesale electricity prices for industry and large businesses have already exceeded t…
Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present,…
Guotai Junan released a research report saying that under the background of carbon neutrality, the scarcity of coal mines is prominent, and the value of assets will continue to increase. The high point of capital expenditure in the coal industry appe…
About Silicon Nitride Si3N4 Powder:The silicon nitride composition is silicon and nitrogen. Si3n4 is the most thermodynamic stable in silicon nitride. It is white solid with a high melting point, relative chemical inert, diluted HF and hot H2SO4 atta…
What is the use of aluminum oxide?Medical professionBecause of its hardness, bioinertia and chemical properties, alumina is the preferred material for hip replacement bearings, such as prosthetics, bionic implants, prosthetic eye substitutes, tissue…